<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片样式</title>
    <style>
        .centerBox {
            margin: 50px auto 0;
            width: 600px;
            height: 350px;
            border: solid 8px black;
            border-radius: 12px;
            background: url("./img/banner.jpeg") no-repeat;
        }

    </style>
</head>
<body>
<div class="centerBox">

</div>
</body>
</html>
